Q: What is the sum of all factors of the number 261,223,656 excluding 261,223,656?

A: 398,182,104

Why is 398,182,104 the sum of all factors of 261,223,656, excluding 261,223,656?

The factors of the number 261,223,656 are: 1, 2, 3, 4, 6, 8, 12, 24, 103, 206, 309, 412, 618, 824, 1236, 2472, 105673, 211346, 317019, 422692, 634038, 845384, 1268076, 2536152, 10884319, 21768638, 32652957, 43537276, 65305914, 87074552, 130611828, 261223656.

If you add them up, you will get the total of 261,224,054. Now subtract 261,223,656 to get 398,182,104